Adolescent often pinch the nose generally does not lead to the nose to become straight main reasons are as follows: First, the nose is not straight is mainly congenital genetic factors, and the parents of the genetic factors have a relationship with the parents of the nose is very straight, the birth of the child’s nose is very likely to be straight. Secondly, repeated pinching of the patient’s nose leads to corresponding changes in the nasal cartilage and the large wing cartilage next to the nose, and the soft tissue inside the nose, which may become wider, narrower, or lower, etc. It is difficult to achieve the effect of straightening through artificial changes, and on the contrary, it may result in local deformities, which seriously affects the patient’s aesthetics. Therefore, it is not recommended to pinch the nose during adolescence to make the nose more straight, this kind of bad action is not only unsightly, but also may cause the nose to become more unsightly, leading to nasal vestibulitis and localized eczema, and even inducing nosebleeds and so on.